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Shareholders' Equity - Schedule of Own Shares held by ESOP (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	$ 219.5	$ 212.6	$ 207.3
Utilization of ESOP shares	(0.6)	(0.5)	(0.3)
Ending balance	226.4	219.5	212.6
Own shares held by ESOP
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance	(0.8)	(0.9)	(1.0)
Utilization of ESOP shares	0.1	0.1	0.1
Ending balance	$ (0.7)	$ (0.8)	$ (0.9)

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Stock Issued During Period, Value, Shares From Employee Stock Ownership Plan To Satisfy Share Based Compensation

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A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period.

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- Definition

Amount of equity (deficit) attributable to parent. Excludes temporary equity and equity attributable to noncontrolling interest.

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